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Filing Details

Accession Number:: 0001209191-12-031450
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2012-05-31 19:22:47
Reporting Period:: 2012-05-29

Filing Date:: 2012-05-31
Accepted Time:: 2012-05-31 19:22:47
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1364962	Imperva Inc	IMPV	Services-Prepackaged Software (7372)	030460133

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1533398	Ralph Pisani	C/O Imperva, Inc. 3400 Bridge Parkway, Suite 200 Redwood Shores CA 94065	Vp, Worldwide Sales	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2012-05-29	2,188	$1.64	2,188	No	4	M	Direct
Common Stock	Disposition	2012-05-29	2,188	$26.98	0	No	4	S	Direct
Common Stock	Acquisiton	2012-05-29	4,063	$1.64	4,063	No	4	M	Direct
Common Stock	Disposition	2012-05-29	4,063	$27.09	0	No	4	S	Direct
Common Stock	Acquisiton	2012-05-29	3,749	$1.68	3,749	No	4	M	Direct
Common Stock	Disposition	2012-05-29	3,749	$27.34	0	No	4	S	Direct
Common Stock	Acquisiton	2012-05-30	7,000	$2.52	7,000	No	4	M	Direct
Common Stock	Disposition	2012-05-30	7,000	$26.83	0	No	4	S	Direct
Common Stock	Acquisiton	2012-05-31	6,125	$2.52	6,125	No	4	M	Direct
Common Stock	Disposition	2012-05-31	6,125	$25.78	0	No	4	S	Direct
Common Stock	Acquisiton	2012-05-31	470	$1.68	470	No	4	M	Direct
Common Stock	Disposition	2012-05-31	470	$25.80	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-05-29	2,188	$0.00	2,188	$1.64
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-05-29	4,063	$0.00	4,063	$1.64
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-05-29	3,749	$0.00	3,749	$1.68
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-05-30	7,000	$0.00	7,000	$2.52
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-05-31	6,125	$0.00	6,125	$2.52
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-05-31	470	$0.00	470	$1.68

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
2,812	2019-02-10	No	4	M	Direct
937	2019-08-06	No	4	M	Direct
3,751	2020-02-05	No	4	M	Direct
23,000	2020-06-04	No	4	M	Direct
16,875	2020-06-04	No	4	M	Direct
3,281	2020-02-05	No	4	M	Direct

Footnotes

Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $26.91 to $27.02. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $27.02 to $27.22. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $27.22 to $27.53. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $26.74 to $26.95. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $25.77 to $25.80. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.
This Stock Option vests over four years of continuous service as follows: 25% of the underlying shares vest one year following the vesting commencement date of January 1, 2009, with the remaining 75% vesting in equal quarterly installments over the next three years. This Stock Option is subject to accelerated vesting in the event of a termination of employment of the Reporting Person under certain circumstances following a change in control of the Issuer.
This Stock Option vests over four years of continuous service as follows: 25% of the underlying shares vest one year following the vesting commencement date of February 11, 2009, with the remaining 75% vesting in equal quarterly installments over the next three years. This Stock Option is subject to accelerated vesting in the event of a termination of employment of the Reporting Person under certain circumstances following a change in control of the Issuer.
This Stock Option vests over four years of continuous service as follows: 25% of the underlying shares vest one year following the vesting commencement date of January 1, 2010, with the remaining 75% vesting in equal quarterly installments over the next three years. This Stock Option is subject to accelerated vesting in the event of a termination of employment of the Reporting Person under certain circumstances following a change in control of the Issuer.
This Stock Option vests over four years of continuous service as follows: 25% of the underlying shares vest one year following the vesting commencement date of June 1, 2010, with the remaining 75% vesting in equal quarterly installments over the next three years. This Stock Option is subject to accelerated vesting in the event of a termination of employment of the Reporting Person under certain circumstances following a change in control of the Issuer.